freewheel assembly |
作者：不详 点击： 时间：2007-1-8 10:10:16 来源： 浙江自行车网
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freewheel assembly 飞轮部件
Abstract(简介)：
A bicycle freewheel includes an outer cylinder part, an inner cylinder part disposed radially inwardly of the outer cylinder part so that the inner cylinder part is capable of rotation relative to the outer cylinder part, and a one-way transmission disposed between the outer cylinder part and the inner cylinder part. The one-way transmission engages the inner surface of the outer cylinder part and transmits rotation between the outer cylinder part and the inner cylinder part in only one direction. The outer cylinder part includes inner and outer surfaces. The outer surface is shaped with outer concave portions and outer convex portions for supporting a plurality of gears so that the plurality of gears do not rotate relative to the outer cylinder part. The inner surface is shaped with inner concave portions and inner convex portions, wherein the outer concave portions on the outer surface form the inner convex portions on the inner surface. A thickness of at least one of the outer cylinder part or the inner cylinder part is substantially uniform
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责任编辑：风淡些 |
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